[INFO] cloning repository https://github.com/seb-odessa/nickel-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/seb-odessa/nickel-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fnickel-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fnickel-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 628d82d47f5ba1b52c69a8ae3a299a9537deba02
[INFO] testing seb-odessa/nickel-demo against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseb-odessa%2Fnickel-demo" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seb-odessa/nickel-demo on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/seb-odessa/nickel-demo
[INFO] finished tweaking git repo https://github.com/seb-odessa/nickel-demo
[INFO] tweaked toml for git repo https://github.com/seb-odessa/nickel-demo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/seb-odessa/nickel-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-6/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cb8d117f4c8f4ac1cdea0d5887f14583a9b0fdb78894f802934881f86906043
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cb8d117f4c8f4ac1cdea0d5887f14583a9b0fdb78894f802934881f86906043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cb8d117f4c8f4ac1cdea0d5887f14583a9b0fdb78894f802934881f86906043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cb8d117f4c8f4ac1cdea0d5887f14583a9b0fdb78894f802934881f86906043", kill_on_drop: false }`
[INFO] [stdout] 2cb8d117f4c8f4ac1cdea0d5887f14583a9b0fdb78894f802934881f86906043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2b8956305bb5efa0bbe75368d44499dcf0e1d261a9b7e477efb3b03b1ceacbd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c2b8956305bb5efa0bbe75368d44499dcf0e1d261a9b7e477efb3b03b1ceacbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling nickel v0.11.0
[INFO] [stderr]    Compiling nickel-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `User: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]   --> src/main.rs:21:28
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let user = request.json_as::<User>().unwrap();
[INFO] [stdout]    |                            ^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `User`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nickel-demo`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c2b8956305bb5efa0bbe75368d44499dcf0e1d261a9b7e477efb3b03b1ceacbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b8956305bb5efa0bbe75368d44499dcf0e1d261a9b7e477efb3b03b1ceacbd", kill_on_drop: false }`
[INFO] [stdout] c2b8956305bb5efa0bbe75368d44499dcf0e1d261a9b7e477efb3b03b1ceacbd